curved surface area of a cylinder is 110 cm^2 and circumference of the base is 22cm find its heig
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circumference of base = 22
2πr=22 ,
2×22/7r=22
44/7×r=22
r = 7×22/44
r = 154/44=14/4 curved surface area of cylinder= 2πrh
110 = 2×22/7×.14/4×h
110 =44×2/4×h
110=88/4×h
110=22×h
110/22=h
10/2=h
h=5
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